#177D3F
Closest named color: Jungle Green (#048243). oklch(51.9% 0.131 151), rgb(23, 125, 63).
Aa
White text reads best on this color (5.19:1).
About this color
#177D3F is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.131 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.015 away. White text reads best on it, at 5.19:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #177D3F |
| RGB | rgb(23, 125, 63) |
| HSL | hsl(144, 69%, 29%) |
| OKLCH | oklch(51.9% 0.131 151) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #177D3F | 5.19:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #177D3F | 4.04:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #177D3F text on white | 5.19:1 | AA | Lc 75.3 | Fine for body text |
| #177D3F text on black | 4.04:1 | AA large text | Lc -26.4 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EEE4
oklch(93.7% 0.018 150.5)
-
Step 200
200
#C9E0CE
oklch(88.5% 0.035 152)
-
Step 300
300
#A4CDAC
oklch(81% 0.063 150.6)
-
Step 400
400
#6FB380
oklch(70.8% 0.102 151.1)
-
Step 500
500
#449F60
oklch(63.1% 0.128 151.1)
-
Step 600
600
#198946
oklch(55.5% 0.14 151.2)
-
Step 700
700 (this color)
#177D3F
oklch(51.9% 0.131 151)
-
Step 800
800
#0E5F2E
oklch(42.7% 0.108 151)
-
Step 900
900
#174E29
oklch(37.8% 0.085 150.8)
-
Step 950
950
#102E18
oklch(27.1% 0.054 150.1)
#177D3F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7E723A | 0.110 |
| Deuteranopia (no green cones) | #726943 | 0.108 |
| Tritanopia (no blue cones) | #007B6E | 0.070 |
| Achromatopsia (no color) | #6D6D6D | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #177D3F
#177D3F
oklch(51.9% 0.131 151)
- #92498B
#92498B
oklch(52% 0.131 330.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #177D3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.015
- Tree Green #2A7E19 ΔE 0.036
- Dark Grass Green #388004 ΔE 0.047
- Sea Green #2E8B57 ΔE 0.051
- Green #008000 ΔE 0.051
- Forest Green #228B22 ΔE 0.058
- Dark Olive Green #556B2F ΔE 0.067
- Emerald Green #028F1E ΔE 0.070
Use #177D3F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.